CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Engine Details

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Stockfish 4 64-bit 4CPU (3269+17
−17		)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 72 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 4 64-bit 4CPU3331+9
−9		(+62)21 − 29
(+12−20=18)
42.0%
21.0 / 50
0.0%
+10
0 1 = = 0 0 0 0 1 1 = = 1 = = 0 0 0 1 1 0 1 = 1 = = 0 0 = 0 = 1 = 0 1 = 1 0 0 = 0 0 = 0 0 = = 0 1 =
–   Houdini 3 64-bit 4CPU3319+14
−14		(+50)18.5 − 31.5
(+9−22=19)
37.0%
18.5 / 50
0.0%
−33
0 0 1 0 = = 0 0 = 0 1 0 0 0 0 1 = 0 0 0 = = 0 0 = 0 = 1 1 = = 0 1 1 = = 1 = 0 = = = 0 = 0 0 1 = 0 =
–   Stockfish DD 64-bit 4CPU3310+15
−15		(+41)21.5 − 28.5
(+5−12=33)
43.0%
21.5 / 50
0.0%
+1
= = = = 0 = = = 0 1 = = = = 0 = = = = = 0 = = 0 1 = = = 0 = = = 0 1 = = 0 = 0 0 = = = = 0 0 1 = = 1
–   Komodo TCEC 64-bit 4CPU3286+16
−16		(+17)21 − 26
(+8−13=26)
44.7%
21.0 / 47
6.6%
−12
= 0 = = = = 1 = 1 1 = = = = 0 1 0 = 0 = = = = 1 0 0 0 = 1 0 = = = 0 = 1 = = = 0 0 = 0 0 = = 1
–   Houdini 2.0c 64-bit 4CPU3277+12
−12		(+8)25 − 25
(+12−12=26)
50.0%
25.0 / 50
22.0%
+7
1 1 0 = = = = = 0 1 0 = = 0 1 0 = 0 = 1 = 0 = = 1 1 1 = 1 = = = = = = 0 = 0 0 = = = = = 1 1 1 0 = 0
–   Komodo 6 64-bit 4CPU3251+19
−19		(−18)26.5 − 23.5
(+12−9=29)
53.0%
26.5 / 50
92.6%
−3
= 0 = = 1 1 = 1 = = = 0 = = = = = 0 = 0 1 1 = = = 1 = 0 = 0 1 = = 0 = = 1 1 1 = = 0 = = 0 = 1 = 1 =
–   Gull 2.3 64-bit 4CPU3244+17
−17		(−25)30.5 − 19.5
(+17−6=27)
61.0%
30.5 / 50
98.3%
+40
= = 1 = 0 1 0 0 = 1 = 1 1 1 = 1 = 1 0 = = = = 1 = = = 0 = 1 = 1 1 1 = = = 1 = 1 = = = 1 1 = 0 = = =
–   Houdini 4 64-bit3240+9
−9		(−29)31 − 19
(+19−7=24)
62.0%
31.0 / 50
99.9%
+43
0 1 0 = = 1 1 = = = = = 0 1 1 1 = = = = = 1 = 1 = = 0 1 = = = 1 0 1 0 = 1 1 1 1 = = = = = 1 1 1 1 0
–   Komodo 5.1 64-bit 4CPU3238+16
−15		(−31)27 − 23
(+16−12=22)
54.0%
27.0 / 50
99.7%
−6
1 = 1 = = = = 0 0 1 0 0 1 0 = 0 = = = = = 0 = = 1 = 1 1 1 = 0 = = 1 = 1 = = 1 0 = 0 1 0 1 = 1 0 1 1
–   Critter 1.6a 64-bit 4CPU3232+6
−7		(−37)26 − 24
(+16−14=20)
52.0%
26.0 / 50
100.0%
−25
= = 1 = = 1 = 1 1 1 0 0 = 1 = 1 = = 0 0 0 0 0 = = = 1 = 1 0 0 = 1 = 0 = 1 1 0 1 0 0 1 = 1 0 = 1 = =
–   Gull 2.2 64-bit 4CPU3224+20
−20		(−45)28.5 − 21.5
(+15−8=27)
57.0%
28.5 / 50
100.0%
−5
= = = = 0 = 0 1 = 1 1 = = = = 1 1 1 = = = = = = 1 1 0 = 0 1 0 = 0 = = = = = = 1 1 = = 1 0 1 = 1 0 1
–   Rybka 4.1 64-bit 4CPU3206+7
−7		(−63)33.5 − 16.5
(+23−6=21)
67.0%
33.5 / 50
100.0%
+44
= = = = 1 = 1 = 1 1 1 1 = 1 1 1 1 0 1 0 1 0 0 = 1 = = = 1 0 = = 1 = 0 1 = 1 = 1 1 1 = 1 = 1 = = = 1
–   Hannibal 1.4b 64-bit 4CPU3118+14
−14		(−151)36.5 − 13.5
(+24−1=25)
73.0%
36.5 / 50
100.0%
−12
= = = = = = = 1 1 1 = 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 = = = 1 0 = = 1 1 = = = 1 = 1 1 1 1 = 1 = = = =
–   Naum 4.2 64-bit 4CPU3098+8
−8		(−171)37 − 13
(+27−3=20)
74.0%
37.0 / 50
100.0%
−18
1 1 1 = = 1 1 1 = 1 = 1 1 1 = 0 = 1 = 1 = = 1 1 = 0 = 1 1 1 1 1 = = 1 1 1 = 1 = = = = 0 1 1 = 1 1 =
–   Protector 1.5.0 64-bit 4CPU3086+15
−14		(−183)41 − 9
(+32−0=18)
82.0%
41.0 / 50
100.0%
+31
= = 1 = 1 = 1 = = 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 = = = = = 1 = 1 1 1 = 1 1 1 = 1 1
–   Hannibal 1.3 64-bit 4CPU3067+21
−21		(−202)36 − 13
(+27−4=18)
73.5%
36.0 / 49
100.0%
−46
1 1 1 = = 1 = 1 = = 1 1 1 1 = 1 1 1 = 1 = = = 1 1 1 = 1 0 = 1 1 1 = 1 0 = 1 0 1 1 = 0 = 1 = = 1 1
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−227)42.5 − 7.5
(+36−1=13)
85.0%
42.5 / 50
100.0%
+36
1 1 1 1 1 1 1 1 = 1 = 1 = = 1 1 = = = 1 = = = 1 0 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1
–   Spike 1.4 Leiden 4CPU3040+8
−8		(−229)38.5 − 11.5
(+29−2=19)
77.0%
38.5 / 50
100.0%
−50
1 = = 1 1 1 1 1 1 1 = = 1 1 1 = 1 1 1 = 1 = 1 = 1 1 = 1 = 1 = = 1 1 = 1 1 = 1 0 = 1 1 = = 1 = = 0 1
–   Spark 1.0 64-bit 4CPU3027+8
−8		(−242)42 − 8
(+36−2=12)
84.0%
42.0 / 50
100.0%
+17
1 1 1 1 = 1 = 1 = 1 0 1 1 1 = = 1 1 = 1 1 1 = = 1 0 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 = = 1
–   Deep Junior Yokohama 64-bit 4CPU3026+17
−17		(−243)41 − 9
(+33−1=16)
82.0%
41.0 / 50
100.0%
−17
1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 = 1 1 = = = = 1 1 = 1 1 1 = 1 1 1 1 = = 1 = 1 1 1 = 0 = 1 1 =
–   Deep Junior 13.3 64-bit 4CPU3025+17
−17		(−244)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
−16
= 1 1 = 1 1 1 = 1 1 = = 1 1 1 1 1 1 1 0 1 1 1 1 0 1 = = 1 = 1 1 1 1 = = 1 = 1 0 1 1 1 1 = 1 1 1 = 1
–   Zappa Mexico II 64-bit 4CPU2972+7
−7		(−297)40.5 − 9.5
(+33−2=15)
81.0%
40.5 / 50
100.0%
−74
= 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 = = = 1 1 1 1 = 0 1 1 = 1 = 1 = 1 = = 1 1 = 1 = 1 0 1 = 1 1 1
–   Protector 1.4.0 64-bit 4CPU2972+13
−13		(−297)44.5 − 5.5
(+41−2=7)
89.0%
44.5 / 50
100.0%
+43
1 1 = 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−328)47 − 3
(+44−0=6)
94.0%
47.0 / 50
100.0%
+90
1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1
–   Toga II 3.0 4CPU2931+17
−17		(−338)46 − 4
(+42−0=8)
92.0%
46.0 / 50
100.0%
+30
= 1 1 1 1 1 1 1 1 1 = = = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = = 1 1
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9		(−339)44.5 − 5.5
(+40−1=9)
89.0%
44.5 / 50
100.0%
−13
1 1 1 1 1 1 = = = = = 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1
–   Toga II 1.4 beta5c 4CPU2904+9
−9		(−365)44.5 − 5.5
(+41−2=7)
89.0%
44.5 / 50
100.0%
−24
1 0 1 1 1 = 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 =
1346 games: 683 wins, 165 losses, 498 draws (37.0%), score: 69.2%

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Created in 2005-2013 by CCRL team
Last games added on April 10, 2021